LK Graham Reservoir is a man-made lake located in Young County, Texas. It was constructed in 1921 by the Graham Land and Cattle Company and is fed by the Salt Fork Brazos River. The reservoir is primarily used for irrigation and as a source of drinking water for nearby cities. The hydrology of the reservoir is influenced by the amount of annual rainfall in the area, which affects the water levels and quality. There are no specific surface flow or snowpack providers associated with the reservoir. However, the lake supports significant agricultural activity in the region, with crops such as wheat, cotton, and peanuts being grown in the surrounding areas. The reservoir also provides recreational opportunities such as fishing, boating, and camping for visitors.